In a Red-Black Tree, what must be true about the path from the root to any leaf?

In a Red-Black Tree, what must be true about the path from the root to any leaf?

Step 1: Understand what a Red-Black Tree is. It is a type of binary search tree that has specific properties to keep it balanced.
Step 2: Identify the key property of Red-Black Trees related to paths. This property states that every path from the root to any leaf must have the same number of black nodes.
Step 3: Recognize that a 'leaf' in this context refers to a null node or a sentinel node that represents the end of a path.
Step 4: Realize that having the same number of black nodes on all paths helps ensure that the tree remains balanced, which is important for efficient operations like insertion, deletion, and searching.
Step 5: Conclude that this property is crucial for maintaining the overall structure and performance of the Red-Black Tree.

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